Study Of Prefabricated Exterior Board Of The Assembly Shear Wall Structure

Energy-saving, environmental protection and sustainable development of construction technology will put forward the new requirements, residential industrialization and modernization level is an important way to realize green building. The industrialization of residential development experience can meet the demand for housing through building system of standardization and technology integration construction of residential, but also can improve the comprehensive performance of residence. It is more important to meet the sustainable development idea, the realization of green construction, green construction important way. Data show that, the prefabricated housing rate reached37%, water can be saved36%,83%garbage reduction, material loss by60%, save electricity above31%, with more than50%energy saving. Therefore, improving residential and industrial modernization in China has become a residential development of the route one must take prefabricated concrete structure has become the development direction of future building structure system.According to the prefabricated exterior wall panels as prefabricated concrete structure is an important part of. The topics is the Shenyang Metro Lishui assembly type shear wall structure with prefabricated external wall plates appears the question to conduct the analytical study. First of all, the prefabricated wall and the inner wall by heat insulation filling materials to the pouring of concrete, the prefabricated wall on the overall structure of the constraint enhancements, increased stiffness, structural self vibration period need reduction. Therefore, this article use the PKPM SATWE calculation of natural period of vibration reduction coefficient. Then the use of MID AS/Gen finite element software to a preformed template structure model of static pushover analysis, validation of the main structure in earthquake and rare earthquake seismic performance of. The prefabricated exterior wall hanging plate as precast concrete form (hereinafter referred to as the prefabricated templates) were used, and the actual construction, upper and lower teeth completely out of mouth, teeth using cement mortar, cannot achieve surface outer limit, resulting in external panel stress mode completely changed; at the same time as the wall of cast-in-site reinforced concrete lateral pressure, the plug-in board in the plane direction of expanding mould, effect of outside board structure safety. Therefore, by using the finite element software MIDAS/Gen on exterior wall formwork used in stage and construction stage by the stress analysis, put forward external wall plate reinforcing scheme.For the assembly type insulation sandwich wall plate, connecting piece is the most important part of. For further in-depth study on prefabricated external wall plates, based on the3600x3000(contain the fenestration of the1500x1800) prefabricated sandwich exterior wall thermal insulation plate as the basis, using fiber reinforced as the connecting piece, using the ABAQUS model to carry on the finite element stress analysis, validation of different type connecting pieces are arranged by fiber reinforced meet power requirements, and form a complete technology solutions, as a new type of connector used to provide technical support.Finally this paper summarizes the research results of solving the practical engineering application, the technical problems, and to further promote the prefabricated concrete structure to provide valuable reference.